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CHEMICAL PROCESS

Chemical Process
Electrodeposition of metals i.e. electroplating is never done on

Metals
Refractories
Alloys
Non-metals

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Chemical Process
Viscosity index improver (like polystrene or polyisobutylene) is added to lubricant to

Increase the variation in its viscosity with temperature
Reduce its viscosity
Increase its viscosity
Reduce the variation in its viscosity with temperature

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Chemical Process
P.T.F.E. (Poly tetra fluoro ethylene) is commercially known as

Nylon-66
Neoprene
Teflon
Bakelite

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Chemical Process
Lindane is

Both B and C
A by-product of BHC manufacture
Not a fumigant
BHC (Benzene Hexa Chloride) containing 99% γ-isomer

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Chemical Process
Litharge is

Zinc oxide
Lead oxide
Zinc sulphide
Cellulosic photographic material

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